MYA-L02 Failed to unlock

-------- 2018-04-07 17:49:05 ---------
SigmaKey 2.27.14 MTK: Direct unlock
MediaTek USB VCOM (Android) (COM101), Provider: MediaTek Inc., Driver ver.: 3.0.1504.0, Date: 1/22/2016, USB\VID_0E8D&PID_2007&REV_????
Connecting....Failed
--------- 2018-04-07 17:49:35 ---------
SigmaKey 2.27.14 MTK: Get unlock codes
MediaTek USB VCOM (Android) (COM101), Provider: MediaTek Inc., Driver ver.: 3.0.1504.0, Date: 1/22/2016, USB\VID_0E8D&PID_2007&REV_????
Connecting....Failed

WHATS UP ???